Manual shift shafts in GM 4L80-E and 4L85-E models can become corroded in harsh environments. Corroded manual shift shafts are not suitable for reuse, especially in remanufacturing. Sonnax manual shift shaft kit 38511-04K has been yellow zinc plated to maximize corrosion resistance from road salt and other environmental contaminates. The flange face of the nuts is serrated for better holding capacity.

Cost effective solution to OE kit
Manual shift shaft and flanged nuts are zinc plated for corrosion resistance
The flange face on the nuts is serrated for better holding

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